AI, Machine Learning & Generative AI:

Core Methods: Supervised Learning (Classification, Regression), Unsupervised Learning, Neural Networks, Time-Series Modeling, Anomaly Detection, Predictive Maintenance, Forecasting, Statistical Modeling, Model Validation & Performance Benchmarking

Generative AI: RAG Systems, LLMs (OpenAI, Gemini), LangChain, Agentic Workflows(Agno)

Frameworks & Libraries: PyTorch, TensorFlow, Keras, Scikit-learn, NLTK, spaCy, Orange

Data Engineering & Scientific Computing:

Programming: Python (Pandas, NumPy, SciPy), Matlab, SQL, PySpark

Data Systems: Data Modeling, ETL/ELT Pipelines, Big Data Processing, Real-Time Data Pipelines

Scientific Computing: Numerical Modeling, Custom Algorithm Development, Object-Oriented Programming, Reproducible Workflows

Signal Processing, Sensing & Experimental Systems:

Signal Processing: FFT, Power Spectral Density (PSD), Wavelet Transforms, Noise Filtering

Sensor Systems: Sensor Design (Physics-based, Flexible Sensors), Sensor Calibration, Signal Conditioning, Electronics Integration

Experimental Work: Multi-Instrument Data Acquisition, Custom Data Collection Systems, Real-World Noisy Data Analysis, Data Validation, Statistical Testing

Feature Engineering: Feature Extraction, Time-Series Analytics

Platforms, MLOps & Visualization:

MLOps & DevOps: Docker, Git, MLflow

Visualization & Interfaces: Streamlit, Plotly, Power BI, PyQt, Matplotlib

Cloud & Platforms: AWS, Azure, Palantir Foundry

Mechanical Design, Simulation & Engineering Systems:

CAD & Design: Solid Edge, SolidWorks, Creo, Pro E, Agile & Windchill (PLM), SAP (ERP), AutoCAD, Parametric 3D Modeling, Complex Assemblies, Modular Design, Design Standardization

Simulation: COMSOL Multiphysics, ANSYS, Abaqus

Engineering Systems: System Design, Integrated Electro-mechanical Systems, Physics-Based Modeling

Prototyping, Fabrication & Testing:

Prototyping: Additive Manufacturing (3D Printing), Printed Electronics, Arduino, Hardware-in-the-Loop (HIL) Testing

Fabrication & Lab Systems: SEM, AFM, Vacuum Systems, Plasma Systems

Testing & Validation: Design of Experiments (DoE), System Characterization, Qualification Testing, Process Scaling (Lab-to-Production)

Indian Institute of Technology Bombay (India)

Ph.D., sensors and micro energy harvesting using triboelectric effect

Thesis: Triboelectric effect driven self powered vibration sensors and wind energy harvesting for enabling industry 4.0

Final Grade: 8.6 CGPA

2016 - 2022

National Institute of Technology Karnataka, Surathkal (India)

M.Tech., Nanotechnology

Thesis: Design and analysis of 1D silicon photonic crystalbased strain and mass sensor.

Final Grade: 9.5 CGPA

2013 - 2015

Dr. Ambedkar Institute of Technology Bengaluru (India)

B.E., Mechanical Engineering

Thesis: Design and development of automated bike washer unit

Final Grade: 71.8 %

2007 - 2011

Postdoc Researcher, Albert-Ludwigs-Universität Freiburg

Frequency tunable TENG | Sensor Analytics | 3D CAD & Simulation | Applied Machine learning
Developing frequency tunable triboelectric energy harvesters

• Designed novel Frequency tunable triboelectric energy harvesting design using micro fluidic principles
• Led end-to-end development of sensing systems spanning novel harvestor design, experimental setup, signal acquisition, algorithm development, validation, and performance benchmarking under real-world conditions.
• Built custom data acquisition and annotation platforms using PyQt, enabling synchronized multi-instrument experiments, scalable dataset creation, and reproducible labeling workflows.
• Designed and validated signal processing and detection algorithms on noisy, real-world sensor data, including systematic analysis of edge cases, failure modes, and environmental variability.
• Developed novel signal characteristics and measures to evaluate the shape change of tribo electric signals, enabling more robust and accurate detection of events.

May, 2024 - Present

Data science consultant, Avivo.AI

GenAI | RAG | Data curation | end to end data pipeline
Co/developing RAG based contract intelligence system

• Built a reusable clause library tool for maintaining, reviewing, and updating contract clauses using RAG architecture with OpenAI & Langchain in Streamlit.
• Led development of context aware RAG POC for reliable contract intelligence.
• Translated ambiguous business requirements into deployable GenAI workflows.

Sept, 2025 - Dec, 2025

Data & Analytics Specialist, Swiss Re

Big data pipelines | Data analytics | PySpark | Palantir Foundry | Tech lead
Worked as an A.V.P. to implement Data science initiatives for process improvements

• Designed and developed an end-to-end client ranking solution to automate the auditing process, reducing operational duration from months to hours using Pyspark in Palantir Foundry.
• Generating analytical & data science solutions to enhance processes and guide business decisions.
• Consulted on data science projects like Risk modelling for claims and TA team

Dec, 2023 - Apr, 2024

Data Scientist, Halliburton

Industrial sensing | Data pipelines| ML models | Signal analysis | Team-lead
Data Science Services group - Landmark division

• Translating business needs into Data Science problem statements.
• Led group of 4-5 data scientists to deliver data science solutions for various business units.
• Developed Application computetime prediction model for survey data, combining both structured and unstructured logs, with more than 95% accuracy for cost optimisation
• Developed NLP based productive time/non productive time classification model based on field logs, achieving more than 90% accuracy, with dockerised implementation to optimize field operations.
• Submitted 2 patent applications to predict drilling performance using novel triboelectric sensors
• Developed various Machine learning models (Regression/classification/NLP/anamoly detection/failure prediction).
• Developed cost optimization framework for data science initiatives.
• Supporting company outreach activities by preparing technical abstracts for conferences.
• Mentoring junior data scientists and interns.

Jun, 2021 - Aug, 2023

Senior Structural Analyst (consulting), Gorgonian Technologies

Mechanical design | Structural analysis | CAD modeling | Product development
Translated the designers idea into an engineered product

• Majorly contributed to the designing of small-scale wind turbine (Zeintein).
• Technical analysis of mechanisms and their kinetics.
• Translating rough sketches into CAD models for engineering analysis.
• Complete ownership of small scale wind turbines.

Jun, 2019 - Jun, 2021

Consulting Mechanical Engineer, Aumeesh Technologies

Consulting | Mechanical design | Structural analysis | CAD modeling | Product development
Technical analysis for a leg prosthetic

• Created pivotal documents for fund raising and outreach activities.
• Performed GAIT analysis, static, dynamic and failure analysis of KAFO (knee Foot Ankle Orthosis) using 3D CAD and FEA.
• Actively involved in design optimization by utilizing DFx concepts (manufacturability, assembly and end-use).

Feb, 2019 - Feb, 2020

Mechanical (CAD) Engineer, HCL technologies

CAD modeling | Electrical Harness designing | Drafting | PDM & PLM
Here, my majority of the responsibilities were:

• Providing CAD Support in the product development activities of Ion Implanters (client: Varian Semiconductor Equipments).
• Creating engineering drawings for sheetmetal parts, solid parts and electrical harnesses.
• Electrical harness were major area of focus, where i took complete ownership of schematic drawing, routing path optimization, wiring optimization and developing flatboard/nailboard drawings for final assembly.

Sep, 2011 - Aug, 2013

Generative AI with Large Language Models

QNU5SR1U9UIP

Coursera

2025

Python for Computer Vision with OpenCV and Deep Learning

UC-b4b400fc-5108-4dee-81e0-ade03e7355f5

Udemy

2025

Azure Machine Learning & MLOps: Beginner to Advance

Ongoing

Udemy

2025

Generative AI fundamentals

80855880

Databricks

2023

NLP - Natural Language Processing with Python

ude.my/UC-e127fc79-def3-49ad-beac-4534619aaf04

Udemy

2022

Python for Time Series Data Analysis

UC-cda41e68-2391-462f-a6e2-416c99dbe01d

Udemy

2022

Python for Data Science and Machine learning bootcamp

UC-de6f4fd2-f47e-468c-8de7-ae172ff05fb2

Udemy

2021

Self-powering vibration sensor based on a cantilever system with a single-electrode mode triboelectric nanogenerator

Sagar Hosangadi Prutvi, Mallikarjuna Korrapati, and Dipti Gupta^*

Measurement Science and Technology 33 (7), 075115 (2022)

https://doi.org/10.1088/1361-6501/ac5b2b

2022

Triboelectric effect based self-powered compact vibration sensor for predictive maintenance of industrial machineries

Hosangadi Prutvi Sagar, Sunil Meti, Udaya K Bhat, and Dipti Gupta^*

Measurement Science and Technology 32 (9), 095119 (2021)

https://doi.org/10.1088/1361-6501/abe6d2

2021

Transient dynamic distributed strain sensing using photonic crystal waveguides

Hosangadi Prutvi Sagar, Vignesh Mahalingam, Debiprosad Roy Mahapatra^*, Gopalkrishna Hegde, Sathyanarayana Hanagud, and Mohammad Rizwanur Rahman

Applied Optics 56 (28), 7877-7885 (2017)

https://doi.org/10.1364/AO.56.007877

2017

Rapid one step fabrication of hydrophilic hierarchical porous PDMS with negative piezopermittivity for sensing and energy storage applications

Chithra Parameswaran, Raghvendra Pratap Chaudhary, Sagar Hosangadi Prutvi, and Dipti Gupta^*

ACS Applied Polymer Materials 4 (3), 2047-2056 (2022)

https://doi.org/10.1021/acsapm.1c00593

2022

Assessment of triboelectricity in colossal-surface-area-lanthanum oxide nanocrystals synthesized via low-temperature hydrothermal process

Sunil Meti, Hosangadi Prutvi Sagar, Mohammad Rizwanur Rahman, and K. Udaya Bhat^*

Journal of Materials Science: Materials in Electronics 32, 20351-20361 (2021)

https://doi.org/10.1007/s10854-021-06545-7

2021

Newly developed thermoplastic polyolefin encapsulant–A potential candidate for crystalline silicon photovoltaic modules encapsulation

Baloji Adothu, Parth Bhatt, Shashwata Chattopadhyay, Sarita Zele, Jeroen Oderkerk, H.P. Sagar, Francis Reny Costa, and Sudhanshu Mallick^*

Solar Energy 194, 581-588 (2019)

https://doi.org/10.1016/j.solener.2019.11.018

2019

A single step unique microstructural growth of porous colossal dielectric constant titanium oxide

Sunil Meti, Sagar Prutvi Hosangadi, M.R. Rahman, and Udaya K. Bhat^*

Applied Physics A 125, 1-10 (2019)

https://doi.org/10.1007/s00339-019-2477-0

2019

Efficient light trapping and interface engineering for performance enhancement in PTB7-Th: PC70BM organic solar cells

Kunal Borse, Ramakanth Sharma, H.P. Sagar, P. Anil Reddy, Dipti Gupta, and Aswani Yella^*

Organic Electronics 41, 280-286 (2017)

https://doi.org/10.1016/j.orgel.2016.11.016

2017

Triboelectric effect based self-powered vibration sensor

Sagar H P, Dipti Gupta

RPG 2020 , RPG house, Goenka groups (poster presentation and demonstration)

2020

Triboelectric effect-based pedometer

Sagar H P, Dipti Gupta

TechConnect 2019-20 ,IIT Bombay, (poster presentation and demonstration)

2020

Design and development of Triboelectric effectbased wind energy harvester

Sagar H P, Dipti Gupta

TechConnect 2018-19 ,TCTD project, IIT Bombay, (poster presentation and demonstration)

2019

MIT Tata Centre Annual Symposium Boston, USA. (participation)

2018

Design and development of Triboelectric effectbased wind energy harvester

Sagar H P, Dipti Gupta

Tata Centre for Technology and Design (TCTD) 3rd annual symposium IIT Bombay, (poster presentation and demonstration)

2018

Design and development of Triboelectric effect-based wind energy harvester

Sagar H P, Mohammad Ali khan and Dr. Dipti Gupta,

Tata Centre for Technology and Design (TCTD) 2nd annual symposium IIT Bombay, (poster presentation)

2018

Graphene Integrated Waveguide for Molecular Sensing

Sagar H P, MR Rahman,

International Engineering Symposium (IES) - 2015, Kumamoto University, Kumamoto, Japan

2015